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Diffstat (limited to 'gdb/config/tm-sysv4.h')
-rw-r--r-- | gdb/config/tm-sysv4.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/gdb/config/tm-sysv4.h b/gdb/config/tm-sysv4.h new file mode 100644 index 00000000000..2c085410c09 --- /dev/null +++ b/gdb/config/tm-sysv4.h @@ -0,0 +1,45 @@ +/* Macro definitions for GDB on all SVR4 target systems. + Copyright 1991, 1992, 1993, 1994 Free Software Foundation, Inc. + Written by Fred Fish at Cygnus Support (fnf@cygnus.com). + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +/* For SVR4 shared libraries, each call to a library routine goes through + a small piece of trampoline code in the ".plt" section. + The horribly ugly wait_for_inferior() routine uses this macro to detect + when we have stepped into one of these fragments. + We do not use lookup_solib_trampoline_symbol_by_pc, because + we cannot always find the shared library trampoline symbols + (e.g. on Irix5). */ + +#define IN_SOLIB_CALL_TRAMPOLINE(pc, name) in_plt_section((pc), (name)) +extern int in_plt_section PARAMS ((CORE_ADDR, char *)); + +/* If PC is in a shared library trampoline code, return the PC + where the function itself actually starts. If not, return 0. */ + +#define SKIP_TRAMPOLINE_CODE(pc) find_solib_trampoline_target (pc) + +/* It is unknown which, if any, SVR4 assemblers do not accept dollar signs + in identifiers. The default in G++ is to use dots instead, for all SVR4 + systems, so we make that our default also. FIXME: There should be some + way to get G++ to tell us what CPLUS_MARKER it is using, perhaps by + stashing it in the debugging information as part of the name of an + invented symbol ("gcc_cplus_marker$" for example). */ + +#undef CPLUS_MARKER +#define CPLUS_MARKER '.' |